Figure 2
The hydrogen-bonding interactions (dashed lines) in the crystal packing of (X). Symmetry-related physalin molecules are on the left, right and bottom (shown in blue in the electronic version of the paper). [Symmetry codes: (a) −x + 1, y + , −z + 2; (b) x + 1, y, z; (c) −x + 2, y − , −z + 1.] |